2120002102 has 48 divisors (see below), whose sum is σ = 3598145712. Its totient is φ = 933304320.

The previous prime is 2120002091. The next prime is 2120002103. The reversal of 2120002102 is 2012000212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120002103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017702 + ... + 1019782.

It is an arithmetic number, because the mean of its divisors is an integer number (74961369).

Almost surely, 2^2120002102 is an apocalyptic number.

2120002102 is a deficient number, since it is larger than the sum of its proper divisors (1478143610).

2120002102 is a wasteful number, since it uses less digits than its factorization.

2120002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2120002102 is about 46043.4805591411. The cubic root of 2120002102 is about 1284.6320822871.

Adding to 2120002102 its reverse (2012000212), we get a palindrome (4132002314).

It can be divided in two parts, 212000210 and 2, that added together give a palindrome (212000212).

The spelling of 2120002102 in words is "two billion, one hundred twenty million, two thousand, one hundred two".